Works with databases like MySQL,Oracle.
Works with table structure,query optimisation, writing stores procedure, functions,user defined functions ,triggers,views in database.
I have heavy Experience in working with mysql.
I works with Migration also.
I have migrated Oracle database to MySQL database.
And also works with SQL server migration to MySQL database.
I know how to speed up MySQL same as compared to Oracle and SQL server.
I have also worked with postgresql.